Security readout for executives and security teams
Plain-English summary
CVE-2026-23497 is a low-severity stored cross-site scripting issue in Frappe LMS. An attacker could use a specially crafted image filename so JavaScript runs when someone views affected course or jobs pages. Business impact appears limited, but exposed LMS sites should still remediate because stored XSS can affect users who view trusted content.
Executive priority
Treat as a routine remediation item, not an emergency. Prioritize if the LMS is public-facing or accepts content from many users. The issue has low CVSS severity and no cited active exploitation, but fixing stored XSS reduces user trust, session, and content-integrity risks.
Technical view
Frappe LMS 2.44.0 and earlier mishandles image filenames on course and jobs pages, allowing stored XSS. The CVSS 4.0 score is 1.3 with network attack vector, low complexity, no privileges, and passive user interaction. The cited weakness is CWE-79. The advisory references a remediation commit, but the provided sources do not state a fixed release version.
Likely exposure
Organizations running Frappe LMS version 2.44.0 or earlier may be exposed, especially if course or job image uploads or filenames can be influenced by untrusted users. Systems not using Frappe LMS, or running versions outside the affected range, are not indicated as affected by the provided sources.
Exploitation context
The sources do not report active exploitation, and CISA KEV status is false. Exploitation requires a crafted image filename to be stored and then rendered to a user on course or jobs pages. The vulnerability affects script execution in the viewer’s browser rather than direct server compromise.
Researcher notes
Evidence is limited to the CVE record, GitHub advisory, and linked commit. Do not assume a fixed release number unless confirmed by Frappe. Key triage points are affected version, whether users can influence image filenames, and whether course or jobs pages render those names unsafely.
Mitigation direction
- Identify all Frappe LMS deployments and record running versions.
- If version is 2.44.0 or earlier, consult the GitHub advisory for vendor remediation.
- Apply the vendor fix or upgrade path when confirmed by Frappe.
- Restrict untrusted image uploads where operationally feasible until remediated.
- Review uploaded filenames for suspicious script-like content.
Validation and detection
- Confirm whether Frappe LMS is installed and internet-accessible.
- Verify whether the running version is 2.44.0 or earlier.
- Review course and jobs pages that render uploaded image filenames.
- Check vendor advisory and referenced commit for remediation status.
- After remediation, confirm filenames are safely encoded when rendered.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-79: User-session and phishing behavior lookup
Client-side and session-facing weaknesses should be reviewed alongside initial-access and user-execution behaviors. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2026-23497 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Low
- CVSS
- 1.3 (4.0)
- Known Exploited
- No
- Published
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U——Primary CVE scoreVulnerability scoring details
Base CVSS 4.0 score
1.3LowVector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/frappe/lms/security/advisories/GHSA-78mq-3whw-69j5CVE reference · x_refsource_CONFIRM
- https://github.com/frappe/lms/commit/e7ccf0a711d0e0ab5e6b28b7a1e4e0510b6b9543CVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.